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82bd742ea3
* it's no longer the main texture objects managing the pixel buffer but FSoftwareTexture. * create proper spans for true color textures. The paletted spans only match if the image does not have any translucent pixels. * create proper warp textures instead of working off the paletted variants. As a side effect, caching of pixel buffers for texture composition is temporarily disabled, as it management of texture redirections. These things will be reimplemented once things progress further. The existing methods here had their share of serious issues that should be fixed.
134 lines
4.1 KiB
C++
134 lines
4.1 KiB
C++
/*
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** Renderer multithreading framework
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** Copyright (c) 2016 Magnus Norddahl
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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*/
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#include <stdlib.h>
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#include "templates.h"
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#include "doomdef.h"
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#include "m_bbox.h"
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#include "i_system.h"
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#include "p_lnspec.h"
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#include "p_setup.h"
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#include "a_sharedglobal.h"
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#include "g_level.h"
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#include "p_effect.h"
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#include "doomstat.h"
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#include "r_state.h"
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#include "v_palette.h"
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#include "r_sky.h"
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#include "po_man.h"
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#include "r_data/colormaps.h"
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#include "r_renderthread.h"
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#include "swrenderer/things/r_visiblespritelist.h"
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#include "swrenderer/scene/r_portal.h"
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#include "swrenderer/scene/r_opaque_pass.h"
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#include "swrenderer/scene/r_translucent_pass.h"
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#include "swrenderer/scene/r_3dfloors.h"
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#include "swrenderer/scene/r_scene.h"
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#include "swrenderer/things/r_playersprite.h"
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#include "swrenderer/plane/r_visibleplanelist.h"
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#include "swrenderer/segments/r_drawsegment.h"
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#include "swrenderer/segments/r_clipsegment.h"
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#include "swrenderer/drawers/r_thread.h"
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#include "swrenderer/drawers/r_draw.h"
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#include "swrenderer/drawers/r_draw_rgba.h"
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#include "swrenderer/drawers/r_draw_pal.h"
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#include "swrenderer/viewport/r_viewport.h"
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#include "r_memory.h"
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namespace swrenderer
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{
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RenderThread::RenderThread(RenderScene *scene, bool mainThread)
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{
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Scene = scene;
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MainThread = mainThread;
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FrameMemory.reset(new RenderMemory());
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Viewport.reset(new RenderViewport());
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Light.reset(new LightVisibility());
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DrawQueue.reset(new DrawerCommandQueue(FrameMemory.get()));
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OpaquePass.reset(new RenderOpaquePass(this));
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TranslucentPass.reset(new RenderTranslucentPass(this));
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SpriteList.reset(new VisibleSpriteList());
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Portal.reset(new RenderPortal(this));
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Clip3D.reset(new Clip3DFloors(this));
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PlayerSprites.reset(new RenderPlayerSprites(this));
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PlaneList.reset(new VisiblePlaneList(this));
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DrawSegments.reset(new DrawSegmentList(this));
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ClipSegments.reset(new RenderClipSegment());
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tc_drawers.reset(new SWTruecolorDrawers(DrawQueue));
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pal_drawers.reset(new SWPalDrawers(DrawQueue));
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}
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RenderThread::~RenderThread()
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{
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}
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SWPixelFormatDrawers *RenderThread::Drawers(RenderViewport *viewport)
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{
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if (viewport->RenderTarget->IsBgra())
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return tc_drawers.get();
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else
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return pal_drawers.get();
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}
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void RenderThread::PrepareTexture(FSoftwareTexture *texture, FRenderStyle style)
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{
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if (texture == nullptr)
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return;
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// Textures may not have loaded/refreshed yet. The shared code doing
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// this is not thread safe. By calling GetPixels in a mutex lock we
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// make sure that only one thread is loading a texture at any given
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// time.
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//
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// It is critical that this function is called before any direct
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// calls to GetPixels for this to work.
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static std::mutex loadmutex;
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std::unique_lock<std::mutex> lock(loadmutex);
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const FSoftwareTextureSpan *spans;
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if (Viewport->RenderTarget->IsBgra())
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{
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texture->GetPixelsBgra();
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texture->GetColumnBgra(0, &spans);
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}
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else
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{
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bool alpha = !!(style.Flags & STYLEF_RedIsAlpha);
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texture->GetPixels(alpha);
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texture->GetColumn(alpha, 0, &spans);
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}
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}
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void RenderThread::PreparePolyObject(subsector_t *sub)
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{
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static std::mutex polyobjmutex;
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std::unique_lock<std::mutex> lock(polyobjmutex);
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if (sub->BSP == nullptr || sub->BSP->bDirty)
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{
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sub->BuildPolyBSP();
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}
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}
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}
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